William Blair & Company
TQQQ icon

William Blair & Company’s ProShares UltraPro QQQ TQQQ Stock Holding History

William Blair & Company’s Portfolio TQQQ Stock Details TQQQ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$61.9K Buy
764
+554
+264% +$38.5K ﹤0.01% 1748
2026
Q1 		$8.76K Buy
210
+85
+68% +$4.25K ﹤0.01% 1839
2025
Q4 		$6.57K Sell
125
-59
-32% -$3.17K ﹤0.01% 1797
2025
Q3 		$9.54K Sell
184
-50
-21% -$2.28K ﹤0.01% 1763
2025
Q2 		$9.74K Buy
234
+58
+33% +$1.83K ﹤0.01% 1728
2025
Q1 		$5.04K Hold
176
– – ﹤0.01% 1748
2024
Q4 		$6.96K Hold
176
– – ﹤0.01% 1754
2024
Q3 		$6.38K Sell
176
-140
-44% -$4.8K ﹤0.01% 1773
2024
Q2 		$11.7K Sell
316
-470
-60% -$14.7K ﹤0.01% 1735
2024
Q1 		$24.2K Buy
786
+270
+52% +$7.68K ﹤0.01% 1666
2023
Q4 		$13.1K Sell
516
-300
-37% -$6.22K ﹤0.01% 1694
2023
Q3 		$14.5K Sell
816
-600
-42% -$12.2K ﹤0.01% 1696
2023
Q2 		$29K Buy
1,416
+1,296
+1,080% +$20.8K ﹤0.01% 1659
2023
Q1 		$1.7K Sell
120
-38
-24% -$433 ﹤0.01% 1787
2022
Q4 		$1.37K Buy
158
+50
+46% +$507 ﹤0.01% 1796
2022
Q3 		$1K Buy
108
+20
+23% +$292 ﹤0.01% 1812
2022
Q2 		$1K Sell
88
-650
-88% -$11.5K ﹤0.01% 1854
2022
Q1 		$21K Buy
+738
New +$21.2K ﹤0.01% 1792
2021
Q2 		– Sell
-2,240
Closed -$51K – 1932
2021
Q1 		$51K Hold
2,240
– – ﹤0.01% 1662
2020
Q4 		$51K Buy
+2,240
New +$42.3K ﹤0.01% 1627

Other funds holding TQQQ

HCM
Howard Capital Management Roswell, Georgia $8.4B AUM 51.89% 1-Year Est. Return
PIS
PPSC Investment Service Tokyo, Japan $1.58B AUM 47.89% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $11.7B AUM 87.29% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

William Blair & Company's TQQQ Position: Q2 2026 in Review

William Blair & Company increased its ProShares UltraPro QQQ (TQQQ) stake by 264% in Q2 2026, buying an estimated $38.5K and bringing the position to 764 shares worth $61.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1748.

William Blair & Company first reported a position in TQQQ in Q4 2020 and has held it in 20 quarters since. 362 funds tracked by Wall St. Rank hold TQQQ as of Q2 2026.

  • William Blair & Company held 764 shares of ProShares UltraPro QQQ worth $61.9K as of Q2 2026.
  • William Blair & Company bought 554 ProShares UltraPro QQQ shares in Q2 2026, an estimated $38.5K.
  • ProShares UltraPro QQQ made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1748 holding.
  • William Blair & Company first reported a position in ProShares UltraPro QQQ in Q4 2020 and has held it in 20 quarters since.
  • 362 funds tracked by Wall St. Rank held ProShares UltraPro QQQ as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.